Foldable display board



FIG. 1 is a perspective view of the foldable display board in an open state.

FIG. 2 is a top view of the foldable display board in an open state; and,

FIG. 3 is a top view of the foldable display board in a folded state.

The foldable display board is designed to open from a compact folded state, FIG. 3, to an expanded open state, FIGS. 1 and 2. 

CLAIM The ornamental design for foldable display board, as shown and described. 